Cited by 4,005T-cell and B-cell ImmunologyMonoclonal and Polyclonal Antibodies ResearchDNA Repair Mechanisms

Somatic generation of antibody diversity

Tonegawa, Susumu·1983·Nature

Abstract

In the genome of a germ-line cell, the genetic information for an immunoglobulin polypeptide chain is contained in multiple gene segments scattered along a chromosome. During the development of bone marrow-derived lymphocytes, these gene segments are assembled by recombination which leads to the formation of a complete gene. In addition, mutations are somatically introduced at a high rate into the amino-terminal region. Both somatic recombination and mutation contribute greatly to an increase in the diversity of antibody synthesized by a single organism.

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Crossref · 10.1038/302575a0

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109 of 109 references verified0 citation errors · 0 not checkable

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  • The structure of Transib TIRs corresponds closely to the structure of RSSs, which are composed of conserved heptamers 5′-CACAGTG separated by variable 22-bp spacers from ACAAAAACC-like nonamers.

    “This corresponds closely to the structure of RSSs, which are composed of the conserved heptamers 5′- CACAGTG separated by a variable 22-bp spacers from ACAAAAACC-like nonamers [1,5–7].”
  • The 12/23 rule can be derived directly from the sequence structure of known Transib transposons.

    “Therefore, even the 12/23 rule [1] can be derived directly from the sequence structure of known Transib transposons.”
  • Each of the estimated 5 × 109 B-cells in an organism produces a distinct B-cell receptor or antibody through somatic recombination of variable, diversity, joining and constant gene segments.

    “Each of the estimated 5 × 109 B-cells in an organism [23] produces a distinct B-cell receptor (membrane-bound) or antibody (in soluble form) through somatic recombination of variable (V), diversity (D), joining (J) and constant (C) gene segments [28, 29].”

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Authors
Tonegawa, S.
Affiliations
Massachusetts Institute of Technology (US)
Corresponding author
Tonegawa, Susumu
Venue
Nature
Published
1983-04
Volume
302
Issue
5909
Pages
575-581
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1974596630
Cited by
4,005
References
109
Citations by year
2026: 64 · 2025: 82 · 2024: 82 · 2023: 56 · 2022: 97 · 2021: 81 · 2020: 72 · 2019: 83 · 2018: 86 · 2017: 85 · 2016: 70 · 2015: 73 · 2014: 80 · 2013: 75 · 2012: 88
FWCI
20.85
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
Keywords
V(D)J recombination, somatic hypermutation, antibody diversity, immunoglobulin genes, gene segments, lymphocyte development, bone marrow
MeSH terms
Animals, Antibodies, Base Composition, Base Sequence, DNA Transposable Elements, Genes, Humans, Immunoglobulins, Mutation

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